On my old 1.6 K series I did an engine oil flush but not with one of the add ins that you run for a few mins and then drain the oil but by using cheap diesel oil as that has far better cleaning additives in it and will get around the engine far better. I run the car for 1000 miles like that and then changed out the oil. I theory, the oil should have still been almost amber but it was thick and black. The amount of crud that came out was amazing. Changed the filter for a new one and then used top end oil. The engine run very quiet and had more pulling power. The engine had 98,000 on it and is still running great now with the new owners some 18 months later.
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MG Rover South East admin
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